Build the ultimate Wi-Fi boosting cantenna

All you need is one large can of spuds, plus some other stuff

6. For your adaptor to work with this it needs a SMA reverse polarity screw connection, which looks like this.

7. We need to make a custom SMA to N Plug cable. Expose 1cm of cable and 3mm of the core, tin this and solder it to the contact. Slide this into the shell, fold up the ground wire and crimp the sheath in place.

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